Database of Zeolite Structures
 

Framework Type IFR
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
20
32
53
77
100
135
166
199
0
0
4·62·5·6·6·123
T2
4
10
18
31
52
77
103
127
159
210
0
0
4·5·4·6·5·62
T3
4
10
19
32
53
78
102
126
162
209
0
0
4·6·4·6·5·62
T4
4
10
21
35
50
74
105
133
165
206
0
0
4·4·5·125·6·62

aSize and number of smallest ring on each angle of the T-atom (M. O'Keeffe and S.T. Hyde, Zeolites 19, 370 (1997))
* = no closed ring at this angle
 
Loop configuration of T-atoms:
T1 T2,3 T4


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